A mature haploid male or female germ cell produced by the gametophyte and able to unite with another gamete of the opposite sex in sexual reproduction to form a zygote, which develops into the diploid sporophyte
A mature haploid male or female germ cell produced by the gametophyte and able to unite with another gamete of the opposite sex in sexual reproduction to form a zygote, which develops into the diploid sporophyte